Electricity prices Great Britain, 15 August 2026

15 August 2026 · Consumer price including taxes and charges.

Great Britain has no single public hourly price for households. We show Octopus Agile half-hourly prices (one supplier's dynamic tariff, inc. VAT), averaged over its 14 regions. The Ofgem price cap below applies to standard tariffs.

Average
26.5p/kWh
−12% vs. yesterday · +3% vs. 7-day average
Lowest
14.5p/kWh
Highest
43.6p/kWh
Hours with negative prices
0

Cheapest hours

Best time to run

Washing machine (2 h)
14:00–16:00, average 15.1p/kWh
Dishwasher (3 h)
13:00–16:00, average 15.4p/kWh
Electric car (4 h)
12:00–16:00, average 15.8p/kWh

Hourly prices

036912151821
Cheapest hours highlighted. Times in local time.
Show the data as a table
HourPrice
028.4p/kWh
127.6p/kWh
225.7p/kWh
325.3p/kWh
427.3p/kWh
526.8p/kWh
627.2p/kWh
725.2p/kWh
823.1p/kWh
924.1p/kWh
1019.0p/kWh
1116.3p/kWh
1217.0p/kWh
1315.9p/kWh
1414.5p/kWh
1515.8p/kWh
1633.9p/kWh
1740.3p/kWh
1843.6p/kWh
1933.4p/kWh
2032.6p/kWh
2132.3p/kWh
2231.4p/kWh
2329.5p/kWh

The average household tariff in the United Kingdom is 33.7p/kWh (all taxes and fixed charges included, Oct–Dec 2026).

Last 7 days, hour by hour

Cheapest hours highlighted. Times in local time.

Previous days

DateAverageLowestHighest
14 Aug30.1p/kWh22.2p/kWh53.3p/kWh
13 Aug32.3p/kWh22.6p/kWh72.6p/kWh
12 Aug28.6p/kWh17.8p/kWh59.8p/kWh
11 Aug26.6p/kWh17.7p/kWh45.4p/kWh
10 Aug26.1p/kWh19.5p/kWh44.3p/kWh
9 Aug18.6p/kWh1.7p/kWh39.4p/kWh
8 Aug17.3p/kWh-3.7p/kWh40.2p/kWh
7 Aug23.0p/kWh13.5p/kWh39.3p/kWh
6 Aug22.2p/kWh11.6p/kWh38.5p/kWh
5 Aug16.5p/kWh-4.1p/kWh35.6p/kWh
4 Aug26.4p/kWh20.8p/kWh41.1p/kWh
3 Aug27.1p/kWh19.6p/kWh47.0p/kWh
2 Aug26.9p/kWh21.5p/kWh43.4p/kWh
1 Aug22.9p/kWh6.5p/kWh40.2p/kWh

Source: Octopus Energy API